/*
 * Ambipur - National Geographic  
 * 
 * @author Phil Rennie <prennie@oliis.com>
 * @date 16/07/2009
 */
var timeout    = 500;
var closetimer = 0;
var ddmenuitem = 0;

function ambimenu_open(){
	ambimenu_canceltimer();
	ambimenu_close();
	ddmenuitem = $(this).find('ul').css('visibility', 'visible');
}

function ambimenu_close(){
	if(ddmenuitem) ddmenuitem.css('visibility', 'hidden');
}

function ambimenu_timer(){
	closetimer = window.setTimeout(ambimenu_close, timeout);
}

function ambimenu_canceltimer(){
	if(closetimer){
		window.clearTimeout(closetimer);
	    closetimer = null;
	}
}

$(document).ready(function(){
	$('#ambimenu > li').bind('mouseover', ambimenu_open)
	$('#ambimenu > li').bind('mouseout',  ambimenu_timer)
});

document.onclick = ambimenu_close;